Indoor-grown wheatgrass lasts from 10 to 17 days. It matures within 10 days of planting. A second round takes an additional six to seven days to mature. However, since the majority of nutrients come from the seed, any additional regrowth produces less nutritional value, tougher blades and an increased chance for mold formation within the growing flat.
About this Author
Deborah Waltenburg has been a freelance writer since 2002. In addition to her work for Demand Studios, Waltenburg has written for websites such as Freelance Writerville and Constant Content, and has worked as a ghostwriter for travel/tourism websites and numerous financial/debt reduction blogs.